<template>
  <el-card class="box-card">
    <div slot="header" class="clearfix">
      <span>重置密码</span>
    </div>
    <!-- 表单 -->
    <el-form :model="pwdForm" :rules="pwdFormRules" ref="pwdFormRef" label-width="100px">
      <el-form-item label="原密码" prop="old_pwd">
        <el-input v-model="pwdForm.old_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="新密码" prop="new_pwd">
        <el-input v-model="pwdForm.new_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="确认新密码" prop="re_pwd">
        <el-input v-model="pwdForm.re_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="changePwd">修改密码</el-button>
        <el-button @click="resetForm">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script>
export default {
  name: 'UserPwd',
  data() {
    // 校验新旧密码不能相同
    const samepwd = (rule,value,callback)=>{
      if(value === this.pwdForm.old_pwd){
        callback(new Error('新旧密码不能相同!'))
      }else{
        callback() // 放行
      }
    }
    // 校验确认新密码与新密码一致
    const repwd = (rule,value,callback)=>{
      if(value !== this.pwdForm.new_pwd){
        callback(new Error('确认密码和新密码不一致!'))
      }else{
        callback() // 放行
      }
    }
    return {
      // 表单的数据对象
      pwdForm: {
        old_pwd: '',
        new_pwd: '',
        re_pwd: ''
      },
      // 表单的验证规则对象
      pwdFormRules: {
        old_pwd:[
          { required:true,message:'请输入原密码',trigger:'blur' },
          {pattern:/^\S{6,15}$/,message:'输入长度是6~16的非空字符串',trigger:'blur'}
        ],
        new_pwd:[
          { required:true,message:'请输入新密码',trigger:'blur' },
          {pattern:/^\S{6,15}$/,message:'输入长度是6~16的非空字符串',trigger:'blur'},
          { validator:samepwd,trigger:'blur' }
        ],
        re_pwd:[
          { required:true,message:'请再次输入新密码',trigger:'blur' },
          {pattern:/^\S{6,15}$/,message:'输入长度是6~16的非空字符串',trigger:'blur'},
          { validator:repwd,trigger:'blur' }
        ],
      }
    }
  },
  methods:{
    // 修改密码
    changePwd(){
      this.$refs.pwdFormRef.validate(async(valid)=>{
        if(!valid) return // 校验失败
        // 根据接口文档给的数据发送axios请求
        const { data:res } = await this.$http.patch('/my/updatepwd',this.pwdForm)
        if(res.code !==0) this.$message.error(res.message) // 错误给用户提示
        this.$message.success(res.message) // 成功给用户提示
        this.resetForm() // 修改密码成功后清空表单

      })
    },
    // 重置表单
    resetForm(){
      this.$refs.pwdFormRef.resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.el-form {
  width: 500px;
}
</style>
